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How do I modify fields inside the new PostgreSQL JSON datatype?

With postgresql 9.3 I can SELECT specific fields of a JSON data type, but how do you modify them using UPDATE? I can't find any examples of this in the postgresql documentation, or anywhere online. I have tried the obvious: ...
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How do I select an entire row which has the largest ID in the table?

... You could use a subselect: SELECT row FROM table WHERE id=( SELECT max(id) FROM table ) Note that if the value of max(id) is not unique, multiple rows are returned. If you only want one such row, use @MichaelMior's answer, SELEC...
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Select multiple images from android gallery

... am trying to achieve is opening the Gallery in Android and let the user select multiple images . Now this question has been asked frequently but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) and thereby i don't...
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Get selected text from a drop-down list (select box) using jQuery

How can I get the selected text (not the selected value) from a drop-down list in jQuery? 34 Answers ...
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How to Select Columns in Editors (Atom,Notepad++, Kate, VIM, Sublime, Textpad,etc) and IDEs (NetBean

How to select columns in Editors and IDEs to columnar delete, insert or replace some characters ? 21 Answers ...
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What is the reason not to use select *?

...eople claim that you should specifically name each column you want in your select query. 20 Answers ...
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SQL “select where not in subquery” returns no results

...MySQL There are three ways to do such a query: LEFT JOIN / IS NULL: SELECT * FROM common LEFT JOIN table1 t1 ON t1.common_id = common.common_id WHERE t1.common_id IS NULL NOT EXISTS: SELECT * FROM common WHERE NOT EXISTS ( SELECT NULL FROM ...
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Can you have if-then-else logic in SQL? [duplicate]

I need to do select data from a table based on some kind of priority like so: 7 Answers ...
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Generate random int value from 3 to 6

... This generates a random number between 0-9 SELECT ABS(CHECKSUM(NEWID()) % 10) 1 through 6 SELECT ABS(CHECKSUM(NEWID()) % 6) + 1 3 through 6 SELECT ABS(CHECKSUM(NEWID()) % 4) + 3 Dynamic (Based on Eilert Hjelmeseths Comment) SELECT ABS(CHECKSUM(NEWID()) % (@ma...
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How to remove the default arrow icon from a dropdown list (select element)?

I want to remove the dropdown arrow from a HTML <select> element. For example: 12 Answers ...